fix: configure packages and package data

setup.py

@@ -5,9 +5,13 @@ setup(
     version="0.1.0",
     name="backbone_message_format",
     python_requires=">=3.8",
-    packages=["backbone_message_format"],
+    packages=["backbone_formats", "backbone_schema"],
     package_dir={
-        "backbone_message_format": ".",
+        "backbone_formats": "formats",
+        "backbone_schema": "project",
+    },
+    package_data={
+        'backbone_schema': ['**/*.json'], 
     },
     include_package_data=True,
 )